Which of the following statement(s) is/are correct?
A. | L = {an bn an | n = 1, 2, 3...} is recursively enumerable |
B. | Recursive languages are closed under union |
C. | Every recursive is closed under union |
D. | All of these |
Answer : D Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |